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Related papers: Modeling Dust on Galactic SED: Application to Semi…

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The spectral energy distribution (SED) of galaxies provides fundamental information on the related physical processes. However, the SED is significantly affected by dust in its interstellar medium. Dust is mainly produced by asymptotic…

Astrophysics of Galaxies · Physics 2022-05-25 Kazuki Y. Nishida , Tsutomu T. Takeuchi , Takuma Nagata , Ryosuke S. Asano

We present a new numerical code which is designed to derive a spectral energy distribution (SED) for an arbitrary spatial distribution of stellar and gaseous components in a dusty starburst galaxy. We apply a ray tracing method to numerical…

Astrophysics · Physics 2009-10-31 Kenji Bekki , Yasuhiro Shioya

We present a model for nebular emission in star forming galaxies, which takes into account the effects of dust reprocessing. The nebular emissions have been computed with CLOUDY and then included into GRASIL, our spectrophotometric code…

Astrophysics · Physics 2009-11-10 P. Panuzzo , A. Bressan , G. L. Granato , L. Silva , L. Danese

The spectral energy distribution of galaxies is a complex function of the star formation history and geometrical arrangement of stars and gas in galaxies. The computation of the radiative transfer of stellar radiation through the dust…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 L. Silva , A. Schurer , G. L. Granato , C. Almeida , C. M. Baugh , C. S. Frenk , C. G. Lacey , L. Paoletti , A. Petrella , D. Selvestrel

The spectral energy distributions (SEDs) of low-mass low-metallicity (dwarf) galaxies are a challenging piece of the puzzle of galaxy formation in the near Universe. These SEDs show some particular features in the submillimeter to…

We use a model for the evolution of galaxies in the far-IR based on the LambdaCDM cosmology to make detailed predictions for upcoming cosmological surveys with the Herschel Space Observatory. We use the combined GALFORM semi-analytical…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 C. G. Lacey , C. M. Baugh , C. S. Frenk , A. J. Benson , A. Orsi , L. Silva , G. L. Granato , A. Bressan

The formation and evolution of galaxies can be followed in the context of cosmological structure formation using the technique of semi-analytic modelling. We give a brief outline of the features incorporated into the semi-analytic model of…

Astrophysics · Physics 2007-05-23 C. M. Baugh , A. J. Benson , S. Cole , C. S. Frenk , C. G. Lacey

We present a new model to compute the luminosity of emission lines in star forming galaxies and apply this in the semi-analytical galaxy formation code GALFORM. The model combines a pre-computed grid of HII region models with an empirical…

Astrophysics of Galaxies · Physics 2022-01-11 C. M. Baugh , C. G. Lacey , V. Gonzalez-Perez , G. Manzoni

We combine a semi-analytic model of galaxy formation with simple analytic recipes describing the absorption and re-emission of starlight by dust in the interstellar medium of galaxies. We use the resulting models to predict galaxy counts…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 R. S. Somerville , R. C. Gilmore , J. R. Primack , A. Dominguez

We present here a model for simulating the panchromatic spectral energy distribution of galaxies, which aims to be a complete tool to study the complex multi-wavelength picture of the universe. The model take into account all important…

Astrophysics · Physics 2009-11-10 P. Panuzzo , L. Silva , G. L. Granato , A. Bressan , O. Vega

We present a semi-empirical model for the infrared emission of dust around star-forming sites in galaxies. Our approach combines a simple model of radiative transfer in dust clouds with a state-of-the-art model of the microscopic optical…

Astrophysics · Physics 2009-11-13 Dominic C. Ford , Bojan Nikolic , Paul Alexander

We build a theoretical picture of how the light from galaxies evolves across cosmic time. In particular, we predict the evolution of the galaxy spectral energy distribution (SED) by carefully integrating the star formation and metal…

Astrophysics of Galaxies · Physics 2020-06-23 Dian Triani , Darren Croton , Manodeep Sinha

We compare observed far infra-red/sub-millimetre (FIR/sub-mm) galaxy spectral energy distributions (SEDs) of massive galaxies ($M_{\star}\gtrsim10^{10}$ $h^{-1}$M$_{\odot}$) derived through a stacking analysis with predictions from a new…

Astrophysics of Galaxies · Physics 2017-02-01 William I. Cowley , Matthieu Bethermin , Claudia del P. Lagos , Cedric G. Lacey , Carlton M. Baugh , Shaun Cole

We measured and modeled the spectral energy distributions (SEDs) in 28 bands from the ultraviolet to the far-infrared (FIR) for 31 interacting galaxies in 14 systems. The sample is drawn from the Spitzer Interacting Galaxy Survey, which…

Galaxy spectral energy distribution (SED) modelling is a powerful tool, but constraining how well it is able to infer the true values for galaxy properties (e.g. the star formation rate, SFR) is difficult because independent determinations…

Astrophysics of Galaxies · Physics 2014-11-26 Christopher C. Hayward , Daniel J. B. Smith

By means of the updated PARSEC database of evolutionary tracks of massive stars, we compute the integrated stellar light, the ionizing photon budget and the supernova rates of young simple stellar populations (SSPs), for different…

Astrophysics of Galaxies · Physics 2017-02-09 I. A. Obi , A. Bressan , F. Perrotta , L. Silva , O. Vega , Y. Chen , A. Lapi , C. Mancuso , L. Girardi , G. L. Granato , P. Marigo , A. Slemer

The estimated stellar masses of galaxies are widely used to characterize how the galaxy population evolves over cosmic time. If stellar masses can be estimated in a robust manner, free from any bias, global diagnostics such as the stellar…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 P. D. Mitchell , C. G. Lacey , C. M. Baugh , S. Cole

We present simulated galaxy spectral energy distributions (SEDs) from the far ultraviolet through the far infrared, created using hydrodynamic simulations and radiative transfer calculations, suitable for the validation of SED modeling…

Astrophysics of Galaxies · Physics 2023-05-18 Nicholas Faucher , Michael R. Blanton , Andrea V. Macciò

We present a simple, largely empirical but physically motivated model, which is designed to interpret consistently multi-wavelength observations from large samples of galaxies in terms of physical parameters, such as star formation rate,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Elisabete da Cunha , Stephane Charlot , David Elbaz

We present predictions of Spectral Energy Distributions (SEDs), from the UV to the FIR, of simulated galaxies at $z=0$. These were obtained by post-processing the results of an N-body+hydro simulation of a small cosmological volume, that…